def append(self, related):
if self.is_source():
args = [self.obj, related, self.relation.name]
else:
args = [related, self.obj, self.relation.name]
ObjectMap.default().connect(*args)
def _clear(self):
if self.is_source():
ids = ObjectMap.default().targets(self.obj, self.relation.name)
else:
ids = ObjectMap.default().sources(self.obj, self.relation.name)
for objid in list(ids):
ObjectMap.default().disconnect(self.obj, objid, self.relation.name)
def __init__(self, name):
self.name = name
ObjectMap.default().add(self)
self.db[self.__objectid__] = self
def __iter__(self):
if self.is_source():
return ObjectMap.default().targets(self.obj, self.relation.name)
else:
return ObjectMap.default().sources(self.obj, self.relation.name)
